Presented are the teacher's guide and student manual for one of a series of self-instructional, computer-based learning modules for an introductory, undergraduate chemistry course. The student manual for this unit on solving stoichiometry problems includes objectives, prerequisites, pretest, discussion, and 20 problem sets. Included in the teacher's guide are implementation instructions, answers to problem sets, software, sample run, computer program listing in BASIC, and 10 unit tests. (BT)